As we go higher in the atmosphere, the pressure gets since there is air. Because of this, aeroplanes have cabins which are kept at ground _ level (atmospheric) . Astronauts wear special suits which are .​

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. by changing the amount of water in the blood, blood pressure can change. the excretory system can to lower blood pressure.which would most likely occur in the kidney? a)more water would be transferred from the nephron.b)less water would be absorbed into the nephron.c)the amount of water in the bladder would decrease.d)the amount of water in the blood would increase.